Readers are invited to submit abstracts online for the co-located ION ITM/PTTI 2018 conference that will take place from 29 January to 1 February, 2018 at the Hyatt Regency Reston, Reston, Virginia. The deadline for abstracts submission is 10 October, 2017.

ITM is the ION’s winter meeting with peer-reviewed technical papers related to positioning, navigation and timing and includes the ION Fellows and Annual Awards presentations. PTTI is the annual technical conference designed to disseminate and coordinate PTTI information at the user level; review present and future PTTI requirements; inform government and industry engineers, technicians and managers of precise time and frequency technology and its problems; and provide an opportunity for an active exchange of new technology associated with PTTI.